Papers, Addresses, Reports: The Tyro Chemist's Unanswered Question; Boat Fishermen's Catch at Crab Orchard Lake During 1954; Recent Collections of Some Less Common Fishes in Southern Illinois; Limnology of the Middle Mississippi River and...

Papers, Addresses, Reports: Treasurer's Report; Resolutions Presented at the Harrisburg Meeting; The Making of Southern Illinois; Does Infant Welfare Work Operate to Preserve the Unfit?; The Origin of Man; Investigations of Agricultural Soils...

Papers: Forest Communities in a Natural Site at Union Hill, and Comparisons With Other Forests in Illinois; The Vegetation of an Abandoned Road After a Half Century of Development; Helminths of Three Sympatric Species of Cave-Dwelling...